text Demak Media ilmu 1999 ind 70 hlm. : ilus. ;21 cm. 70 Fisika terapan 621.3 20130515221007 INLIS000000000010225 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)